Nearest CCTV (1.29 mi SW)
CCTV Image
Location
Near Emigrant Gap
Longitude -120.70311°
Latitude 39.28340°
Elevation 5314 ft
Direction
County Placer
Route I-80
Milepost 154.89
Surface Sensors
Sensor # 1
Surface Status Dry
Surface Temperature 32.00 °F
Pavement Temperature
Surface Water Depth
Surface Salinity 0.00 pp100k
Surface Freeze Point 32.00 °F
Surface Black Ice Signal Detector
Error
Temperature
Air 43.70 °F
Wet Bulb x
Dewpoint 43.52 °F
24-hr Max 43.52 °F
24-hr Min 37.40 °F
Avg 0 mph from N
Spot 0 mph from NW
Max 2.91 mph
Precipitation
Y/N Yes
Situation Rain Moderate
Rate 0.085 in/hr
1 hr 0.075 in
3 hr 0.079 in
6 hr 0.217 in
12 hr 0.256 in
24 hr 0.256 in
Start 12/19/2025 03:47 PM
End  
Visibility
Visibility 0.110 mi
Visibility Situation Unknown
Other
Relative Humidity 99%
Atmospheric Pressure x

Graphical Summary for 12/20/2025
12:00 AM through 12:13 AM

Air Temperature 
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Dewpoint 
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Relative Humidity 
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Average Wind 
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Wind Gust 
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One-Hour Precipitation 
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Precipitation Situation 
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Surface Temperature 1 
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Surface Status 1 
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